Výsledky vyhledávání

The microstructure of vertically coupled quantum dots ensembles by EXAFS spectroscopy

Autor: N. V. Bausk, Vladimir G. Mansurov, A. I. Nikiforov, S. V. Trubina, K. S. Zhuravlev, S. B. Érenburg, A. V. Dvurechenskii, S. Nikitenko

Publikováno v: Journal of Surface Investigation. X-ray, Synchrotron and Neutron Techniques. 5:856-862

The microstructure of samples containing Ge/Si, GaN/AlN, and InAs/AlAs (Ge, GaN, and InAs quantum dots (QDs) in the Si, AlN, and AlAs matrices, respectively) multilayer heterostructures has been investigated by EXAFS spectroscopy. The effect of the e

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::4c948b5df4f188e130f429a264c0fa98
https://doi.org/10.1134/s1027451011090084

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XAS study on microstructure of Au nanoparticles deposited onto alumina

Autor: S. B. Érenburg, Valerii I. Bukhtiyarov, S. Nikitenko, B.L. Moroz, N. V. Bausk

Publikováno v: Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 575:105-108

X-ray adsorption spectroscopy (XAS) was applied to the characterization of the Au/ δ -Al 2 O 3 catalysts with different mean Au particle sizes (〈 d l 〉=2–28 nm) prepared by adsorption of anionic Au(III) hydroxide complexes and calcined in air

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::01805971efbd46432913b816067de2b4
https://doi.org/10.1016/j.nima.2007.01.036

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Application of XAFS spectroscopy to studying the microstructure and electronic structure of quantum dots

Autor: Vladimir G. Mansurov, N. V. Bausk, A. I. Toropov, K. S. Zhuravlev, A. V. Dvurechenskii, Zh. V. Smagina, A. V. Nenashev, S. B. Érenburg, A. I. Nikiforov

Publikováno v: Journal of Surface Investigation. X-ray, Synchrotron and Neutron Techniques. 1:26-34

Variations in the microscopic structural parameters of semiconductor nanoclusters (interatomic distances, coordination numbers, and types of neighboring atoms) under variation of the preparation conditions of Ge/Si, GaN/AlN, and InAs/AlAs heterostruc

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::79dfaabde580b748dadae3fba7d4b816
https://doi.org/10.1134/s1027451007010053

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The atomic and electron structure of ZrO2

Autor: Vladimir A. Gritsenko, Tamara P. Smirnova, D. V. Gritsenko, Yu. V. Shubin, A. V. Shaposhnikov, I.P. Petrenko, O. P. Pchelyakov, Hei Wong, A. M. Badalyan, N. V. Bausk, S. B. Erenburg, C. W. Kim

Publikováno v: Journal of Experimental and Theoretical Physics. 102:799-809

The atomic structure of amorphous and crystalline zirconium dioxide (ZrO2) films is studied using X-ray diffraction and extended X-ray absorption fine structure techniques. The electron structure of ZrO2 is experimentally determined using X-ray and U

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::686833909f51436ec39a618c584cd63b
https://doi.org/10.1134/s1063776106050128

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Quantum dots microstructure by XAFS spectroscopy: GaN/AlN system depending on preparation conditions

Autor: V G Mansurov, S B Erenburg, I Toropov, N V Bausk, S. Nikitenko, W. Bras, V E Bausk, K S Zhuravlev

Publikováno v: Journal of Physics: Conference Series. 41:261-266

GaK EXAFS spectra of GaN/AlN heterostructures were measured. Microstructure parameters of GaN/AlN heterosystems with discrete electronic spectra largely influenced by the elastic deformation at the boundaries of the nanoclusters and substrate was det

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b62e6afc979a9483d9a24fd850ae2689
https://doi.org/10.1088/1742-6596/41/1/027

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Microscopic parameters of materials containing GaN/AlN and InAs/AlAs heterostructures

Autor: V G Mansurov, T.S. Shamirsaev, A.I. Toropov, S. B. Érenburg, S. Nikitenko, L. N. Mazalov, K S Zhuravlev, N. V. Bausk, W. Bras

Publikováno v: Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 543:188-193

EXAFS spectra of AIIIBv heterostructures have been measured at the European Synchrotron Radiation Facility (ESRF, Grenoble, France), DUBBLE beam-line. It has been found that the first shell RGa−N interatomic distance in heterostructure GaN/AlN is e

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::995bae4f2f78a02a0618dc87cb49e922
https://doi.org/10.1016/j.nima.2005.01.169

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XANES Pb LIII spectra of mixed-valence compound: minium, Pb3O4

Autor: Svyatoslav P. Gabuda, N. V. Bausk, S. B. Erenburg, V. V. Panov, Svetlana G. Kozlova

Publikováno v: Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 543:184-187

Mixed-valence compound Pb3O4 (minium) has been studied using X-ray absorption near-edge structure (XANES) spectroscopy and DFT calculations. In spite of the presence of two valence states of lead [Pb(II) and Pb(IV)], the XANES spectrum of studied sys

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d3a26792d8962035b783e4819309bdae
https://doi.org/10.1016/j.nima.2005.01.168

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Structure of new heterometallic complexes in hexane on modelling the recovery of ruthenium from radioactive solutions

Autor: N. V. Bausk, V.G. Torgov, R. S. Shul’man, T.V. Us, S. B. Erenburg, L. N. Mazalov

Publikováno v: Physica Scripta. :115-118

The analysis of EXAFS and XANES spectra of aqueous solutions and hexane extracts shows the interaction between hydrated (or solvated by (Oct)3PO molecules) Cu2+ cations and the complex anion [Ru(NO2)4(NO)(OH)]2-. This interaction is accompanied by th

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::506f93700490525c623b3ce76e1847db
https://doi.org/10.1088/0031-8949/2005/t115/022

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X-Ray Study of the Electronic Structure of Copper(II) Acetylacetonate

Autor: I. M. Oglezneva, N. V. Bausk, G. K. Parygina, É. S. Fomin, L. N. Mazalov, Igor K. Igumenov, S. V. Trubina

Publikováno v: Journal of Structural Chemistry. 45:800-807

The Cu(acac)2 complex was investigated by X-ray emission and XANES spectroscopy using synchrotron radiation. Structural data for the complex were obtained in chloroform solution and C2F matrix. The experimental spectra and their fitting on a single s

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::759737b387461c09a722b7392e8c92b6
https://doi.org/10.1007/s10947-005-0061-2

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XANES Spectroscopy Study of Pb(Ti, Zr)O3 Ferroelectric Thin Films

Autor: Marija Kosec, N. V. Bausk, Svetlana G. Kozlova, S. P. Gabuda, Mira Mandeljc, S. B. Erenburg

Publikováno v: Integrated Ferroelectrics. 67:191-199

Thin films of zirconium-rich perovskites Pb1 − 3x/2La x Ti0.35Zr0.65O3(PLZT; x = 0.095) and PbTi0.7Zr0.3O3 were studied using X-ray absorption near-edge structure (XANES) spectroscopy. Is shown, that slow crystallization of the system is accompanie

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f3a75453e298f3da96c97cc519643198
https://doi.org/10.1080/10584580490899073

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